maintenance
Use the following instructions to tighten the mount- ing screw of the nose guard. These are specially hardened screws. If you cannot install the screw tightly, replace both the screw and the
Note: Do not replace the screw with an ordinary screw. Use only identical replacement parts from the manufacturer when replacing parts.
In addition to preventing chain contact with solid objects at the nose of the bar, the
The mounting screw requires a 5/16 in. wrench (or adjustable wrench) to achieve the recommended torque of 35 to 45 in.lb. A torque within this range can be achieved by using the following method.
nTighten the screw with wrench until snug.
nFrom the snug position, tighten the screw an additional 3/4 of a turn using a wrench.
CLEANING THE AIR FILTER
See Figures 61 - 62.
nActivate the chain brake.
nRemove the two screws holding the cylinder cover.
nLift the front of the cylinder cover past chain brake lever.
nLift the back of the cylinder cover past the handle.
nBefore removing the air filter from the carbure- tor, blow or brush as much loose dirt and saw- dust from around the carburetor and chamber as possible.
Note: Make sure to pull the choke rod out to keep the carburetor from being contaminated.
nLift the air filter off the air filter base.
Choose one of the following cleaning options:
nTo lightly clean, tap the filter against a smooth, flat surface to dislodge most saw dust and dirt particles.
screws
cylinder
cover
Fig. 61
air filter
Fig. 62
nAfter every 5 hours of operation, clean in warm soapy water, rinse, and let dry completely. Replace with a new filter after every 25 hours of use.
Note: An alternate method is to clean the filter with compressed air. Always wear eye protec- tion to avoid eye injury.
nReinstall the air filter.
Note: If you use an air hose for drying, blow through both sides of filter.
CAUTION:
Make sure the air filter is correctly replaced before reassembly. Never run the engine with- out the air filter, serious damage could result.
Page 33 — English
